diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 528a694..63e9406 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -527,6 +527,16 @@
             <instance>slot3</instance>
         </interface>
     </hal>
+    <hal format="aidl" optional="true">
+        <name>android.hardware.radio.ims</name>
+        <version>1</version>
+        <interface>
+            <name>IRadioIms</name>
+            <instance>slot1</instance>
+            <instance>slot2</instance>
+            <instance>slot3</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.radio</name>
         <version>1.2</version>
@@ -535,6 +545,14 @@
             <instance>slot1</instance>
         </interface>
     </hal>
+    <hal format="aidl" optional="true">
+        <name>android.hardware.radio.ims.media</name>
+        <version>1</version>
+        <interface>
+            <name>IImsMedia</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.renderscript</name>
         <version>1.0</version>
diff --git a/radio/aidl/Android.bp b/radio/aidl/Android.bp
index 613f31b..bac4b6d 100644
--- a/radio/aidl/Android.bp
+++ b/radio/aidl/Android.bp
@@ -130,6 +130,7 @@
     name: "android.hardware.radio.network",
     vendor_available: true,
     host_supported: true,
+    vndk_use_version: "2",
     srcs: ["android/hardware/radio/network/*.aidl"],
     stability: "vintf",
     imports: ["android.hardware.radio-V1"],
@@ -203,3 +204,37 @@
     ],
 
 }
+
+aidl_interface {
+    name: "android.hardware.radio.ims.media",
+    vendor_available: true,
+    srcs: ["android/hardware/radio/ims/media/*.aidl"],
+    stability: "vintf",
+    imports: ["android.hardware.radio-V1",
+              "android.hardware.radio.data-V1"],
+    backend: {
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            sdk_version: "module_current",
+        },
+    },
+}
+
+aidl_interface {
+    name: "android.hardware.radio.ims",
+    vendor_available: true,
+    srcs: ["android/hardware/radio/ims/*.aidl"],
+    stability: "vintf",
+    imports: ["android.hardware.radio-V1"],
+    backend: {
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            sdk_version: "module_current",
+        },
+    },
+}
+
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrMode.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrMode.aidl
new file mode 100644
index 0000000..5179169
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrMode.aidl
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum AmrMode {
+  AMR_MODE_0 = 1 << 0,
+  AMR_MODE_1 = 1 << 1,
+  AMR_MODE_2 = 1 << 2,
+  AMR_MODE_3 = 1 << 3,
+  AMR_MODE_4 = 1 << 4,
+  AMR_MODE_5 = 1 << 5,
+  AMR_MODE_6 = 1 << 6,
+  AMR_MODE_7 = 1 << 7,
+  AMR_MODE_8 = 1 << 8,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrParams.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrParams.aidl
new file mode 100644
index 0000000..36edb7f
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrParams.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable AmrParams {
+  android.hardware.radio.ims.media.AmrMode amrMode;
+  boolean octetAligned;
+  int maxRedundancyMillis;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AnbrBitrate.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AnbrBitrate.aidl
new file mode 100644
index 0000000..711ac19
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AnbrBitrate.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable AnbrBitrate {
+  int uplinkBps;
+  int downlinkBps;
+  const int INVALID_ANBR_BITRATE = -1;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CallQuality.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CallQuality.aidl
new file mode 100644
index 0000000..fff6e1c
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CallQuality.aidl
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable CallQuality {
+  int downlinkCallQualityLevel;
+  int uplinkCallQualityLevel;
+  int callDuration;
+  int numRtpPacketsTransmitted;
+  int numRtpPacketsReceived;
+  int numRtpPacketsTransmittedLost;
+  int numRtpPacketsNotReceived;
+  int averageRelativeJitter;
+  int maxRelativeJitter;
+  int averageRoundTripTime;
+  int codecType;
+  boolean rtpInactivityDetected;
+  boolean rxSilenceDetected;
+  boolean txSilenceDetected;
+  int numVoiceFrames;
+  int numNoDataFrames;
+  int numDroppedRtpPackets;
+  long minPlayoutDelayMillis;
+  long maxPlayoutDelayMillis;
+  int numRtpSidPacketsReceived;
+  int numRtpDuplicatePackets;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecParams.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecParams.aidl
new file mode 100644
index 0000000..b310613
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecParams.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable CodecParams {
+  android.hardware.radio.ims.media.CodecType codecType;
+  byte rxPayloadTypeNumber;
+  byte txPayloadTypeNumber;
+  byte samplingRateKHz;
+  byte codecModeRequest;
+  boolean dtxEnabled;
+  android.hardware.radio.ims.media.CodecSpecificParams codecSpecificParams;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecSpecificParams.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecSpecificParams.aidl
new file mode 100644
index 0000000..08e3f0f
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecSpecificParams.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+union CodecSpecificParams {
+  android.hardware.radio.ims.media.AmrParams amr;
+  android.hardware.radio.ims.media.EvsParams evs;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecType.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecType.aidl
new file mode 100644
index 0000000..56d2800
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecType.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum CodecType {
+  AMR = 1,
+  AMR_WB = 2,
+  EVS = 4,
+  PCMA = 8,
+  PCMU = 16,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/DtmfParams.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/DtmfParams.aidl
new file mode 100644
index 0000000..659fa0b
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/DtmfParams.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable DtmfParams {
+  byte payloadTypeNumber;
+  byte samplingRateKHz;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsBandwidth.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsBandwidth.aidl
new file mode 100644
index 0000000..eb31175
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsBandwidth.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum EvsBandwidth {
+  NONE = 0,
+  NARROW_BAND = 1,
+  WIDE_BAND = 2,
+  SUPER_WIDE_BAND = 4,
+  FULL_BAND = 8,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsMode.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsMode.aidl
new file mode 100644
index 0000000..a067357
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsMode.aidl
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum EvsMode {
+  EVS_MODE_0 = 1 << 0,
+  EVS_MODE_1 = 1 << 1,
+  EVS_MODE_2 = 1 << 2,
+  EVS_MODE_3 = 1 << 3,
+  EVS_MODE_4 = 1 << 4,
+  EVS_MODE_5 = 1 << 5,
+  EVS_MODE_6 = 1 << 6,
+  EVS_MODE_7 = 1 << 7,
+  EVS_MODE_8 = 1 << 8,
+  EVS_MODE_9 = 1 << 9,
+  EVS_MODE_10 = 1 << 10,
+  EVS_MODE_11 = 1 << 11,
+  EVS_MODE_12 = 1 << 12,
+  EVS_MODE_13 = 1 << 13,
+  EVS_MODE_14 = 1 << 14,
+  EVS_MODE_15 = 1 << 15,
+  EVS_MODE_16 = 1 << 16,
+  EVS_MODE_17 = 1 << 17,
+  EVS_MODE_18 = 1 << 18,
+  EVS_MODE_19 = 1 << 19,
+  EVS_MODE_20 = 1 << 20,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsParams.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsParams.aidl
new file mode 100644
index 0000000..bdd0a4b
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsParams.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable EvsParams {
+  android.hardware.radio.ims.media.EvsBandwidth bandwidth;
+  android.hardware.radio.ims.media.EvsMode evsMode;
+  byte channelAwareMode;
+  boolean useHeaderFullOnly;
+  boolean useEvsModeSwitch;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMedia.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMedia.aidl
new file mode 100644
index 0000000..30793e5
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMedia.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+interface IImsMedia {
+  oneway void setListener(in android.hardware.radio.ims.media.IImsMediaListener mediaListener);
+  oneway void openSession(int sessionId, in android.hardware.radio.ims.media.LocalEndPoint localEndPoint, in android.hardware.radio.ims.media.RtpConfig config);
+  oneway void closeSession(int sessionId);
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaListener.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaListener.aidl
new file mode 100644
index 0000000..40f7107
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaListener.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+interface IImsMediaListener {
+  oneway void onOpenSessionSuccess(int sessionId, android.hardware.radio.ims.media.IImsMediaSession session);
+  oneway void onOpenSessionFailure(int sessionId, android.hardware.radio.ims.media.RtpError error);
+  oneway void onSessionClosed(int sessionId);
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSession.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSession.aidl
new file mode 100644
index 0000000..ea9f3a4
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSession.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+interface IImsMediaSession {
+  oneway void setListener(in android.hardware.radio.ims.media.IImsMediaSessionListener sessionListener);
+  oneway void modifySession(in android.hardware.radio.ims.media.RtpConfig config);
+  oneway void sendDtmf(char dtmfDigit, int duration);
+  oneway void startDtmf(char dtmfDigit);
+  oneway void stopDtmf();
+  oneway void sendHeaderExtension(in List<android.hardware.radio.ims.media.RtpHeaderExtension> extensions);
+  oneway void setMediaQualityThreshold(in android.hardware.radio.ims.media.MediaQualityThreshold threshold);
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
new file mode 100644
index 0000000..f58f43d
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+interface IImsMediaSessionListener {
+  oneway void onSessionChanged(android.hardware.radio.ims.media.RtpSessionState state);
+  oneway void onModifySessionResponse(in android.hardware.radio.ims.media.RtpConfig config, android.hardware.radio.ims.media.RtpError error);
+  oneway void onFirstMediaPacketReceived(in android.hardware.radio.ims.media.RtpConfig config);
+  oneway void onHeaderExtensionReceived(in List<android.hardware.radio.ims.media.RtpHeaderExtension> extensions);
+  oneway void notifyMediaInactivity(android.hardware.radio.ims.media.MediaProtocolType packetType);
+  oneway void notifyPacketLoss(int packetLossPercentage);
+  oneway void notifyJitter(int jitter);
+  oneway void triggerAnbrQuery(in android.hardware.radio.ims.media.RtpConfig config);
+  oneway void onDtmfReceived(char dtmfDigit);
+  oneway void onCallQualityChanged(in android.hardware.radio.ims.media.CallQuality callQuality);
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/LocalEndPoint.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/LocalEndPoint.aidl
new file mode 100644
index 0000000..6ec5156
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/LocalEndPoint.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable LocalEndPoint {
+  ParcelFileDescriptor rtpFd;
+  ParcelFileDescriptor rtcpFd;
+  int modemId;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaDirection.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaDirection.aidl
new file mode 100644
index 0000000..d90b2a4
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaDirection.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum MediaDirection {
+  NO_FLOW = 0,
+  SEND_ONLY = 1,
+  RECEIVE_ONLY = 2,
+  SEND_RECEIVE = 3,
+  INACTIVE = 4,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaProtocolType.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaProtocolType.aidl
new file mode 100644
index 0000000..1a290d4
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaProtocolType.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum MediaProtocolType {
+  RTP = 0,
+  RTCP = 1,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaQualityThreshold.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaQualityThreshold.aidl
new file mode 100644
index 0000000..a448bac
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaQualityThreshold.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable MediaQualityThreshold {
+  int rtpInactivityTimerMillis;
+  int rtcpInactivityTimerMillis;
+  int rtpPacketLossDurationMillis;
+  int rtpPacketLossRate;
+  int jitterDurationMillis;
+  int rtpJitterMillis;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpConfig.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpConfig.aidl
new file mode 100644
index 0000000..6a76d85
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpConfig.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable RtcpConfig {
+  String canonicalName;
+  int transmitPort;
+  int transmitIntervalSec;
+  int rtcpXrBlocks;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl
new file mode 100644
index 0000000..2eefe6f
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum RtcpXrReportBlockType {
+  RTCPXR_NONE = 0,
+  RTCPXR_LOSS_RLE_REPORT_BLOCK = 1,
+  RTCPXR_DUPLICATE_RLE_REPORT_BLOCK = 2,
+  RTCPXR_PACKET_RECEIPT_TIMES_REPORT_BLOCK = 4,
+  RTCPXR_RECEIVER_REFERENCE_TIME_REPORT_BLOCK = 8,
+  RTCPXR_DLRR_REPORT_BLOCK = 16,
+  RTCPXR_STATISTICS_SUMMARY_REPORT_BLOCK = 32,
+  RTCPXR_VOIP_METRICS_REPORT_BLOCK = 64,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpAddress.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpAddress.aidl
new file mode 100644
index 0000000..35357d1
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpAddress.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable RtpAddress {
+  String ipAddress;
+  int portNumber;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpConfig.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpConfig.aidl
new file mode 100644
index 0000000..ad8b86c
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpConfig.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable RtpConfig {
+  android.hardware.radio.ims.media.MediaDirection direction;
+  android.hardware.radio.AccessNetwork accessNetwork;
+  android.hardware.radio.ims.media.RtpAddress remoteAddress;
+  android.hardware.radio.ims.media.RtpSessionParams sessionParams;
+  android.hardware.radio.ims.media.RtcpConfig rtcpConfig;
+  android.hardware.radio.ims.media.AnbrBitrate anbrBitrateParams;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpError.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpError.aidl
new file mode 100644
index 0000000..41b0aeb
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpError.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum RtpError {
+  NONE = 0,
+  INVALID_PARAM = 1,
+  NOT_READY = 2,
+  NO_MEMORY = 3,
+  NO_RESOURCES = 4,
+  PORT_UNAVAILABLE = 5,
+  NOT_SUPPORTED = 6,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpHeaderExtension.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpHeaderExtension.aidl
new file mode 100644
index 0000000..83b8a31
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpHeaderExtension.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable RtpHeaderExtension {
+  int localId;
+  byte[] data;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpSessionParams.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpSessionParams.aidl
new file mode 100644
index 0000000..13a7487
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpSessionParams.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@VintfStability
+parcelable RtpSessionParams {
+  byte pTimeMillis;
+  int maxPtimeMillis;
+  byte dscp;
+  android.hardware.radio.ims.media.DtmfParams dtmfParams;
+  android.hardware.radio.ims.media.CodecParams codecParams;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpSessionState.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpSessionState.aidl
new file mode 100644
index 0000000..02bf98a
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpSessionState.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims.media;
+@Backing(type="int") @VintfStability
+enum RtpSessionState {
+  OPEN = 0,
+  ACTIVE = 1,
+  SUSPENDED = 2,
+  CLOSED = 3,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ConnectionFailureInfo.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ConnectionFailureInfo.aidl
new file mode 100644
index 0000000..030479f
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ConnectionFailureInfo.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@JavaDerive(toString=true) @VintfStability
+parcelable ConnectionFailureInfo {
+  android.hardware.radio.ims.ConnectionFailureInfo.ConnectionFailureReason failureReason;
+  int causeCode;
+  int waitTimeMillis;
+  @Backing(type="int") @VintfStability
+  enum ConnectionFailureReason {
+    REASON_ACCESS_DENIED = 1,
+    REASON_NAS_FAILURE = 2,
+    REASON_RACH_FAILURE = 3,
+    REASON_RLC_FAILURE = 4,
+    REASON_RRC_REJECT = 5,
+    REASON_RRC_TIMEOUT = 6,
+    REASON_NO_SERVICE = 7,
+    REASON_PDN_NOT_AVAILABLE = 8,
+    REASON_RF_BUSY = 9,
+    REASON_UNSPECIFIED = 65535,
+  }
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/EpsFallbackReason.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/EpsFallbackReason.aidl
new file mode 100644
index 0000000..ebea903
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/EpsFallbackReason.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@Backing(type="int") @JavaDerive(toString=true) @VintfStability
+enum EpsFallbackReason {
+  NO_NETWORK_TRIGGER = 1,
+  NO_NETWORK_RESPONSE = 2,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioIms.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioIms.aidl
new file mode 100644
index 0000000..ee5c572
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioIms.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@VintfStability
+interface IRadioIms {
+  oneway void setSrvccCallInfo(int serial, in android.hardware.radio.ims.SrvccCall[] srvccCalls);
+  oneway void updateImsRegistrationInfo(int serial, in android.hardware.radio.ims.ImsRegistration imsRegistration);
+  oneway void startImsTraffic(int serial, in String token, android.hardware.radio.ims.ImsTrafficType imsTrafficType, android.hardware.radio.AccessNetwork accessNetworkType);
+  oneway void stopImsTraffic(int serial, in String token);
+  oneway void triggerEpsFallback(int serial, in android.hardware.radio.ims.EpsFallbackReason reason);
+  oneway void setResponseFunctions(in android.hardware.radio.ims.IRadioImsResponse radioImsResponse, in android.hardware.radio.ims.IRadioImsIndication radioImsIndication);
+  oneway void sendAnbrQuery(int serial, android.hardware.radio.ims.ImsStreamType mediaType, android.hardware.radio.ims.ImsStreamDirection direction, int bitsPerSecond);
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioImsIndication.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioImsIndication.aidl
new file mode 100644
index 0000000..63f29f3
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioImsIndication.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@VintfStability
+interface IRadioImsIndication {
+  oneway void onConnectionSetupFailure(in android.hardware.radio.RadioIndicationType type, in String token, in android.hardware.radio.ims.ConnectionFailureInfo info);
+  oneway void notifyAnbr(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.ims.ImsStreamType mediaType, in android.hardware.radio.ims.ImsStreamDirection direction, int bitsPerSecond);
+  oneway void triggerImsDeregistration(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.ims.ImsDeregistrationReason reason);
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioImsResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioImsResponse.aidl
new file mode 100644
index 0000000..d4fd23f
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/IRadioImsResponse.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@VintfStability
+interface IRadioImsResponse {
+  oneway void setSrvccCallInfoResponse(in android.hardware.radio.RadioResponseInfo info);
+  oneway void updateImsRegistrationInfoResponse(in android.hardware.radio.RadioResponseInfo info);
+  oneway void startImsTrafficResponse(in android.hardware.radio.RadioResponseInfo info, in @nullable android.hardware.radio.ims.ConnectionFailureInfo failureInfo);
+  oneway void stopImsTrafficResponse(in android.hardware.radio.RadioResponseInfo info);
+  oneway void triggerEpsFallbackResponse(in android.hardware.radio.RadioResponseInfo info);
+  oneway void sendAnbrQueryResponse(in android.hardware.radio.RadioResponseInfo info);
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsDeregistrationReason.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsDeregistrationReason.aidl
new file mode 100644
index 0000000..330374e
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsDeregistrationReason.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@Backing(type="int") @JavaDerive(toString=true) @VintfStability
+enum ImsDeregistrationReason {
+  REASON_SIM_REMOVED = 1,
+  REASON_SIM_REFRESH = 2,
+  REASON_NETWORK_MODE_CHANGED = 3,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsRegistration.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsRegistration.aidl
new file mode 100644
index 0000000..1c4c12a
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsRegistration.aidl
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@JavaDerive(toString=true) @VintfStability
+parcelable ImsRegistration {
+  android.hardware.radio.ims.ImsRegistrationState regState;
+  android.hardware.radio.AccessNetwork accessNetworkType;
+  android.hardware.radio.ims.SuggestedAction suggestedAction;
+  int capabilities;
+  const int IMS_MMTEL_CAPABILITY_NONE = 0;
+  const int IMS_MMTEL_CAPABILITY_VOICE = 1;
+  const int IMS_MMTEL_CAPABILITY_VIDEO = 2;
+  const int IMS_MMTEL_CAPABILITY_SMS = 4;
+  const int IMS_RCS_CAPABILITIES = 8;
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsRegistrationState.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsRegistrationState.aidl
new file mode 100644
index 0000000..664f561
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsRegistrationState.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@Backing(type="int") @JavaDerive(toString=true) @VintfStability
+enum ImsRegistrationState {
+  NOT_REGISTERED = 0,
+  REGISTERED = 1,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsStreamDirection.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsStreamDirection.aidl
new file mode 100644
index 0000000..cf2e4f1
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsStreamDirection.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@Backing(type="int") @JavaDerive(toString=true) @VintfStability
+enum ImsStreamDirection {
+  UPLINK = 1,
+  DOWNLINK = 2,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsStreamType.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsStreamType.aidl
new file mode 100644
index 0000000..10c477f
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsStreamType.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@Backing(type="int") @VintfStability
+enum ImsStreamType {
+  AUDIO = 1,
+  VIDEO = 2,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsTrafficType.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsTrafficType.aidl
new file mode 100644
index 0000000..f7654b4
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/ImsTrafficType.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@Backing(type="int") @JavaDerive(toString=true) @VintfStability
+enum ImsTrafficType {
+  EMERGENCY = 0,
+  EMERGENCY_SMS = 1,
+  VOICE = 2,
+  VIDEO = 3,
+  SMS = 4,
+  REGISTRATION = 5,
+  UT_XCAP = 6,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/SrvccCall.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/SrvccCall.aidl
new file mode 100644
index 0000000..a8b7cfc
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/SrvccCall.aidl
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@JavaDerive(toString=true) @VintfStability
+parcelable SrvccCall {
+  int index;
+  android.hardware.radio.ims.SrvccCall.CallType callType;
+  int callState;
+  android.hardware.radio.ims.SrvccCall.CallSubState callSubstate;
+  android.hardware.radio.ims.SrvccCall.ToneType ringbackToneType;
+  boolean isMpty;
+  boolean isMT;
+  String number;
+  int numPresentation;
+  String name;
+  int namePresentation;
+  @Backing(type="int") @VintfStability
+  enum CallType {
+    NORMAL = 0,
+    EMERGENCY = 1,
+  }
+  @Backing(type="int") @VintfStability
+  enum CallSubState {
+    NONE = 0,
+    PREALERTING = 1,
+  }
+  @Backing(type="int") @VintfStability
+  enum ToneType {
+    NONE = 0,
+    LOCAL = 1,
+    NETWORK = 2,
+  }
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/SuggestedAction.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/SuggestedAction.aidl
new file mode 100644
index 0000000..da19774
--- /dev/null
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims/current/android/hardware/radio/ims/SuggestedAction.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.radio.ims;
+@Backing(type="int") @JavaDerive(toString=true) @VintfStability
+enum SuggestedAction {
+  NONE = 0,
+  TRIGGER_PLMN_BLOCK = 1,
+  TRIGGER_PLMN_BLOCK_WITH_TIMEOUT = 2,
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EutranRegistrationInfo.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EutranRegistrationInfo.aidl
index dfbf881..93df3a4 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EutranRegistrationInfo.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EutranRegistrationInfo.aidl
@@ -36,4 +36,13 @@
 parcelable EutranRegistrationInfo {
   android.hardware.radio.network.LteVopsInfo lteVopsInfo;
   android.hardware.radio.network.NrIndicators nrIndicators;
+  android.hardware.radio.network.EutranRegistrationInfo.AttachResultType lteAttachResultType;
+  int extraInfo;
+  const int EXTRA_CSFB_NOT_PREFERRED = 1;
+  const int EXTRA_SMS_ONLY = 2;
+  enum AttachResultType {
+    NONE = 0,
+    EPS_ONLY = 1,
+    COMBINED = 2,
+  }
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/RegState.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/RegState.aidl
index e6e7999..711c9ac 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/RegState.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/RegState.aidl
@@ -44,4 +44,5 @@
   NOT_REG_MT_SEARCHING_OP_EM = 12,
   REG_DENIED_EM = 13,
   UNKNOWN_EM = 14,
+  REG_EM = 20,
 }
diff --git a/radio/aidl/android/hardware/radio/ims/ConnectionFailureInfo.aidl b/radio/aidl/android/hardware/radio/ims/ConnectionFailureInfo.aidl
new file mode 100644
index 0000000..70faa1e
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/ConnectionFailureInfo.aidl
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+parcelable ConnectionFailureInfo {
+
+    @VintfStability
+    @Backing(type="int")
+    enum ConnectionFailureReason {
+        /** Access class check failed */
+        REASON_ACCESS_DENIED = 1,
+        /** 3GPP Non-access stratum failure */
+        REASON_NAS_FAILURE = 2,
+        /** Random access failure */
+        REASON_RACH_FAILURE = 3,
+        /** Radio link failure */
+        REASON_RLC_FAILURE = 4,
+        /** Radio connection establishment rejected by network */
+        REASON_RRC_REJECT = 5,
+        /** Radio connection establishment timed out */
+        REASON_RRC_TIMEOUT = 6,
+        /** Device currently not in service */
+        REASON_NO_SERVICE = 7,
+        /** The PDN is no more active */
+        REASON_PDN_NOT_AVAILABLE = 8,
+        /** Radio resource is busy with another subscription */
+        REASON_RF_BUSY = 9,
+        REASON_UNSPECIFIED = 0xFFFF,
+    }
+
+    /**
+     * Values are REASON_* constants
+     */
+    ConnectionFailureReason failureReason;
+
+    /**
+     * Failure cause code from network or modem specific to the failure
+     */
+    int causeCode;
+
+    /**
+     * Retry wait time provided by network in milliseconds
+     */
+    int waitTimeMillis;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/EpsFallbackReason.aidl b/radio/aidl/android/hardware/radio/ims/EpsFallbackReason.aidl
new file mode 100644
index 0000000..670638b
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/EpsFallbackReason.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+@Backing(type="int")
+enum EpsFallbackReason {
+    /**
+     * If VoNR is not supported and EPS fallback is not triggered by network then UE initiated EPS
+     * fallback would be triggered by IMS stack with this reason. The modem shall locally release
+     * the 5G NR SA RRC connection and acquire the LTE network and perform a tracking area update
+     * procedure. After the EPS fallback procedure is completed, the call setup for voice will
+     * be established.
+     */
+    NO_NETWORK_TRIGGER = 1,
+
+    /**
+     * If the UE doesn't receive any response for SIP INVITE within a certain time in 5G NR SA,
+     * UE initiated EPS fallback will be triggered with this reason. The modem shall reset its data
+     * buffer of IMS PDUs to prevent the ghost call. After the EPS fallback procedure is completed,
+     * the VoLTE call will be established.
+     */
+    NO_NETWORK_RESPONSE = 2,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/IRadioIms.aidl b/radio/aidl/android/hardware/radio/ims/IRadioIms.aidl
new file mode 100644
index 0000000..e9796f4
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/IRadioIms.aidl
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+import android.hardware.radio.AccessNetwork;
+import android.hardware.radio.ims.EpsFallbackReason;
+import android.hardware.radio.ims.ImsRegistration;
+import android.hardware.radio.ims.ImsStreamDirection;
+import android.hardware.radio.ims.ImsTrafficType;
+import android.hardware.radio.ims.IRadioImsIndication;
+import android.hardware.radio.ims.IRadioImsResponse;
+import android.hardware.radio.ims.SrvccCall;
+import android.hardware.radio.ims.ImsStreamDirection;
+import android.hardware.radio.ims.ImsStreamType;
+
+/**
+ * This interface is used by IMS telephony layer to talk to cellular radio.
+ * All the functions have minimum one parameter:
+ * serial: which corresponds to serial no. of request. Serial numbers must only be memorized for the
+ * duration of a method call. If clients provide colliding serials (including passing the same
+ * serial to different methods), multiple responses (one for each method call) must still be served.
+ * setResponseFunctions must work with IRadioImsResponse and IRadioImsIndication.
+ */
+@VintfStability
+oneway interface IRadioIms {
+    /**
+     * Provides a list of SRVCC call information to radio.
+     *
+     * @param serial Serial number of request
+     * @param srvccCalls the list of calls
+     *
+     * Response function is IRadioImsResponse.setSrvccCallInfoResponse()
+     */
+    void setSrvccCallInfo(int serial, in SrvccCall[] srvccCalls);
+
+    /**
+     * Update the IMS registration information to the radio.
+     *
+     * This information shall be used by radio to implement following carrier requirements:
+     * 1) Graceful IMS PDN disconnection on cellular when NAS is about to perform detach
+     * eg. SIM removal or SIM refresh
+     * 2) Block PLMN or RAT based on the IMS registration failure reason
+     *
+     * @param serial Serial number of request
+     * @param imsRegistration IMS registration information
+     *
+     * Response function is IRadioImsResponse.updateImsRegistrationInfoResponse()
+     */
+    void updateImsRegistrationInfo(int serial, in ImsRegistration imsRegistration);
+
+    /**
+     * IMS stack notifies the NAS and RRC layers of the radio that the upcoming IMS traffic is
+     * for the service mentioned in the ImsTrafficType. If this API is not
+     * explicitly invoked and IMS module sends traffic on IMS PDN then the radio
+     * shall treat type as background data traffic type.
+     * This API shall be used by modem
+     *  1. To set the appropriate establishment cause in RRC connection request.
+     *  2. To prioritize RF resources in case of DSDS. The service priority is
+     * EMERGENCY > EMERGENCY SMS > VOICE > VIDEO > SMS > REGISTRATION > Ut/XCAP. The RF
+     * shall be prioritized to the subscription which handles higher priority service.
+     * When both subscriptions are handling the same type of service then RF shall be
+     * prioritized to the voice preferred sub.
+     *  3. To evaluate the overall access barring in the case of ACB, ACB-Skp/SCM,
+     * SSAC and UAC. If the specific failure including network access, modem
+     * internal and RF resource prioritization from the modem happen,
+     * {@link IRadioImsResponse#startImsTrafficResponse()} or
+     * {@link IRadioImsIndication#onConnectionSetupFailure()} shall be invoked with the
+     * failure reason.
+     *
+     * @param serial Serial number of request
+     * @param token A nonce to identify the request
+     * @param imsTrafficType IMS traffic type like registration, voice, and video
+     * @param accessNetworkType The type of the radio access network used
+     *
+     * Response function is IRadioImsResponse.startImsTrafficResponse()
+     */
+    void startImsTraffic(int serial, in String token,
+            ImsTrafficType imsTrafficType, AccessNetwork accessNetworkType);
+
+    /**
+     * Indicates IMS traffic has been stopped.
+     * For all IMS traffic, notified with startImsTraffic, IMS service shall notify
+     * stopImsTraffic when it completes the traffic specified by the token.
+     *
+     * @param serial Serial number of request
+     * @param token The token assigned by startImsTraffic()
+     *
+     * Response function is IRadioImsResponse.stopImsTrafficResponse()
+     */
+    void stopImsTraffic(int serial, in String token);
+
+    /**
+     * Triggers the UE initiated EPS fallback when a MO voice call failed to establish on 5G NR
+     * network and network didn't initiate a fallback.
+     *
+     * @param serial Serial number of request
+     * @param reason Specifies the reason that causes EPS fallback
+     *
+     * Response function is IRadioImsResponse.triggerEpsFallbackResponse()
+     */
+    void triggerEpsFallback(int serial, in EpsFallbackReason reason);
+
+    /**
+     * Set response functions for IMS radio requests and indications.
+     *
+     * @param radioImsResponse Object containing response functions
+     * @param radioImsIndication Object containing radio indications
+     */
+    void setResponseFunctions(in IRadioImsResponse radioImsResponse,
+            in IRadioImsIndication radioImsIndication);
+
+    /**
+     * Access Network Bitrate Recommendation Query (ANBRQ), see 3GPP TS 26.114.
+     * This API triggers radio to send ANBRQ message
+     * to the access network to query the desired bitrate.
+     *
+     * @param serial Serial number of request
+     * @param mediaType Media type is used to identify media stream such as audio or video
+     * @param direction Direction of this packet stream (e.g. uplink or downlink)
+     * @param bitsPerSecond The bit rate requested by the opponent UE
+     *
+     * Response function is IRadioImsResponse.sendAnbrQueryResponse()
+     */
+    void sendAnbrQuery(int serial, ImsStreamType mediaType, ImsStreamDirection direction, int bitsPerSecond);
+}
diff --git a/radio/aidl/android/hardware/radio/ims/IRadioImsIndication.aidl b/radio/aidl/android/hardware/radio/ims/IRadioImsIndication.aidl
new file mode 100644
index 0000000..ea286c4
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/IRadioImsIndication.aidl
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+import android.hardware.radio.RadioIndicationType;
+import android.hardware.radio.ims.ConnectionFailureInfo;
+import android.hardware.radio.ims.ImsDeregistrationReason;
+import android.hardware.radio.ims.ImsStreamDirection;
+import android.hardware.radio.ims.ImsStreamType;
+
+/**
+ * Interface declaring unsolicited radio indications for ims APIs.
+ */
+@VintfStability
+oneway interface IRadioImsIndication {
+    /**
+     * Fired by radio when any IMS traffic is not sent to network due to any failure
+     * on cellular networks. IMS service shall call stopImsTraffic when receiving
+     * this indication.
+     *
+     * @param token The token of startImsTraffic() associated with this indication
+     * @param type Type of radio indication
+     * @param info Connection failure information
+     */
+    void onConnectionSetupFailure(in RadioIndicationType type, in String token,
+            in ConnectionFailureInfo info);
+
+    /**
+     * Access Network Bitrate Recommendation (ANBR), see 3GPP TS 26.114.
+     * Notifies the bit rate received from the network via ANBR message
+     *
+     * @param type Type of radio indication
+     * @param mediaType Media type is used to identify media stream such as audio or video
+     * @param direction Direction of this packet stream (e.g. uplink or downlink)
+     * @param bitsPerSecond The recommended bit rate for the UE
+     * for a specific logical channel and a specific direction by NW
+     */
+     void notifyAnbr(in RadioIndicationType type, in ImsStreamType mediaType,
+            in ImsStreamDirection direction, int bitsPerSecond);
+
+    /**
+     * Fired by radio when a graceful IMS deregistration needs to be performed by telephony
+     * prior to radio performing network detach. Example scenarios are SIM refresh or user
+     * mode preference change which would cause network detach. The radio waits for the
+     * IMS deregistration, which will be notified by telephony via
+     * {@link IRadioIms#updateImsRegistrationInfo()}, or a certain timeout interval to start
+     * the network detach procedure.
+     *
+     * @param type Type of radio indication
+     * @param reason the reason why the deregistration is triggered
+     */
+     void triggerImsDeregistration(in RadioIndicationType type, in ImsDeregistrationReason reason);
+}
diff --git a/radio/aidl/android/hardware/radio/ims/IRadioImsResponse.aidl b/radio/aidl/android/hardware/radio/ims/IRadioImsResponse.aidl
new file mode 100644
index 0000000..351e748
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/IRadioImsResponse.aidl
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+import android.hardware.radio.RadioResponseInfo;
+import android.hardware.radio.ims.ConnectionFailureInfo;
+
+/**
+ * Interface declaring response functions to solicited radio requests for ims APIs.
+ */
+@VintfStability
+oneway interface IRadioImsResponse {
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INVALID_STATE
+     *   RadioError:NO_MEMORY
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:NO_RESOURCES
+     */
+    void setSrvccCallInfoResponse(in RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INVALID_STATE
+     *   RadioError:NO_MEMORY
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:NO_RESOURCES
+     */
+    void updateImsRegistrationInfoResponse(in RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param failureInfo Information about failure in detail
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INVALID_STATE
+     *   RadioError:NO_MEMORY
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:NO_RESOURCES
+     */
+    void startImsTrafficResponse(in RadioResponseInfo info,
+            in @nullable ConnectionFailureInfo failureInfo);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INVALID_STATE
+     *   RadioError:NO_MEMORY
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:NO_RESOURCES
+     */
+    void stopImsTrafficResponse(in RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INVALID_STATE
+     *   RadioError:NO_MEMORY
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:NO_RESOURCES
+     */
+    void triggerEpsFallbackResponse(in RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INVALID_STATE
+     *   RadioError:NO_MEMORY
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:NO_RESOURCES
+     */
+    void sendAnbrQueryResponse(in RadioResponseInfo info);
+}
diff --git a/radio/aidl/android/hardware/radio/ims/ImsDeregistrationReason.aidl b/radio/aidl/android/hardware/radio/ims/ImsDeregistrationReason.aidl
new file mode 100644
index 0000000..83c0321
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/ImsDeregistrationReason.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+@Backing(type="int")
+enum ImsDeregistrationReason {
+    /**
+     * Radio shall send this reason to IMS stack to perform graceful de-registration
+     * due to SIM card is removed.
+     */
+    REASON_SIM_REMOVED = 1,
+    /**
+     * Radio shall send this reason to IMS stack to perform graceful de-registration
+     * due to SIM refresh that needs a NAS detach and re-attach.
+     */
+    REASON_SIM_REFRESH = 2,
+    /**
+     * Radio shall send this reason to IMS stack to perform graceful de-registration
+     * due to allowed network types bitmask changed that results in NAS detach.
+     */
+    REASON_NETWORK_MODE_CHANGED = 3,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/ImsRegistration.aidl b/radio/aidl/android/hardware/radio/ims/ImsRegistration.aidl
new file mode 100644
index 0000000..662f9e9
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/ImsRegistration.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+import android.hardware.radio.AccessNetwork;
+import android.hardware.radio.ims.ImsRegistrationState;
+import android.hardware.radio.ims.SuggestedAction;
+
+@VintfStability
+@JavaDerive(toString=true)
+parcelable ImsRegistration {
+    /** Default value */
+    const int IMS_MMTEL_CAPABILITY_NONE = 0;
+    /** IMS voice */
+    const int IMS_MMTEL_CAPABILITY_VOICE = 1 << 0;
+    /** IMS video */
+    const int IMS_MMTEL_CAPABILITY_VIDEO = 1 << 1;
+    /** IMS SMS */
+    const int IMS_MMTEL_CAPABILITY_SMS = 1 << 2;
+    /** IMS RCS */
+    const int IMS_RCS_CAPABILITIES = 1 << 3;
+
+    /** Indicates the current IMS registration state. */
+    ImsRegistrationState regState;
+
+    /**
+     * Indicates the type of the radio access network where IMS is registered.
+     */
+    AccessNetwork accessNetworkType;
+
+    /** Indicates the expected action for the radio to do. */
+    SuggestedAction suggestedAction;
+
+    /**
+     * Values are bitwise ORs of IMS_MMTEL_CAPABILITY_* constants and IMS_RCS_CAPABILITIES.
+     * IMS capability such as VOICE, VIDEO, SMS and RCS.
+     */
+    int capabilities;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/ImsRegistrationState.aidl b/radio/aidl/android/hardware/radio/ims/ImsRegistrationState.aidl
new file mode 100644
index 0000000..fd5c0fa
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/ImsRegistrationState.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+@Backing(type="int")
+enum ImsRegistrationState {
+    /** IMS is not registered */
+    NOT_REGISTERED,
+
+    /** IMS is successfully registered */
+    REGISTERED,
+}
\ No newline at end of file
diff --git a/radio/aidl/android/hardware/radio/ims/ImsStreamDirection.aidl b/radio/aidl/android/hardware/radio/ims/ImsStreamDirection.aidl
new file mode 100644
index 0000000..c0cea32
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/ImsStreamDirection.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+@Backing(type="int")
+enum ImsStreamDirection {
+    /** DIRECTION_UPLINK - From UE to Network **/
+    UPLINK = 1,
+    /** DIRECTION_DOWNLINK - From Network to UE **/
+    DOWNLINK = 2,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/ImsStreamType.aidl b/radio/aidl/android/hardware/radio/ims/ImsStreamType.aidl
new file mode 100644
index 0000000..c12a0c1
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/ImsStreamType.aidl
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@Backing(type="int")
+enum ImsStreamType {
+    /** Media Stream Type - Audio **/
+    AUDIO = 1,
+    /** Media Stream Type - Video **/
+    VIDEO = 2,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/ImsTrafficType.aidl b/radio/aidl/android/hardware/radio/ims/ImsTrafficType.aidl
new file mode 100644
index 0000000..5a824c0
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/ImsTrafficType.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+@Backing(type="int")
+enum ImsTrafficType {
+    /** Emergency call */
+    EMERGENCY,
+
+    /** Emergency SMS */
+    EMERGENCY_SMS,
+
+    /** Voice call */
+    VOICE,
+
+    /** Video call */
+    VIDEO,
+
+    /** SMS over IMS */
+    SMS,
+
+    /** IMS registration and subscription for reg event package (signaling) */
+    REGISTRATION,
+
+    /** Ut/XCAP (XML Configuration Access Protocol) */
+    UT_XCAP
+}
\ No newline at end of file
diff --git a/radio/aidl/android/hardware/radio/ims/SrvccCall.aidl b/radio/aidl/android/hardware/radio/ims/SrvccCall.aidl
new file mode 100644
index 0000000..38e6cdb
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/SrvccCall.aidl
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+parcelable SrvccCall {
+
+    @VintfStability
+    @Backing(type="int")
+    enum CallType {
+        NORMAL,
+        EMERGENCY,
+    }
+
+    @VintfStability
+    @Backing(type="int")
+    enum CallSubState {
+        NONE,
+        /** Pre-alerting state. Applicable for MT calls only */
+        PREALERTING,
+    }
+
+    @VintfStability
+    @Backing(type="int")
+    enum ToneType {
+        NONE,
+        LOCAL,
+        NETWORK,
+    }
+
+    /** Connection index */
+    int index;
+
+    /** The type of the call */
+    CallType callType;
+
+    /** Values are android.hardware.radio.voice.Call.STATE_* constants */
+    int callState;
+
+    /** The substate of the call */
+    CallSubState callSubstate;
+
+    /** The type of the ringback tone */
+    ToneType ringbackToneType;
+
+    /** true if is mpty call */
+    boolean isMpty;
+
+    /** true if call is mobile terminated */
+    boolean isMT;
+
+    /** Remote party nummber */
+    String number;
+
+    /** Values are android.hardware.radio.voice.Call.PRESENTATION_* constants */
+    int numPresentation;
+
+    /** Remote party name */
+    String name;
+
+    /** Values are android.hardware.radio.voice.Call.PRESENTATION_* constants */
+    int namePresentation;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/SuggestedAction.aidl b/radio/aidl/android/hardware/radio/ims/SuggestedAction.aidl
new file mode 100644
index 0000000..a17b8a4
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/SuggestedAction.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims;
+
+@VintfStability
+@JavaDerive(toString=true)
+@Backing(type="int")
+enum SuggestedAction {
+    /** Default value */
+    NONE = 0,
+    /**
+     * Indicates that the IMS registration is failed with fatal error such as 403 or 404
+     * on all P-CSCF addresses. The radio shall block the current PLMN or disable
+     * the RAT as per the carrier requirements.
+     */
+    TRIGGER_PLMN_BLOCK = 1 << 0,
+    /**
+     * Indicates that the IMS registration on current PLMN failed multiple times.
+     * The radio shall block the current PLMN or disable the RAT during EPS or 5GS mobility
+     * management timer value as per the carrier requirements.
+     */
+    TRIGGER_PLMN_BLOCK_WITH_TIMEOUT = 1 << 1,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/AmrMode.aidl b/radio/aidl/android/hardware/radio/ims/media/AmrMode.aidl
new file mode 100644
index 0000000..66d8ef0
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/AmrMode.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+/** AMR codec mode to represent the bit rate. See 3ggp Specs 26.976 & 26.071 */
+@VintfStability
+@Backing(type="int")
+enum AmrMode {
+    /** 4.75 kbps for AMR / 6.6 kbps for AMR-WB */
+    AMR_MODE_0 = 1 << 0,
+    /** 5.15 kbps for AMR / 8.855 kbps for AMR-WB */
+    AMR_MODE_1 = 1 << 1,
+    /** 5.9 kbps for AMR / 12.65 kbps for AMR-WB */
+    AMR_MODE_2 = 1 << 2,
+    /** 6.7 kbps for AMR / 14.25 kbps for AMR-WB */
+    AMR_MODE_3 = 1 << 3,
+    /** 7.4 kbps for AMR / 15.85 kbps for AMR-WB */
+    AMR_MODE_4 = 1 << 4,
+    /** 7.95 kbps for AMR / 18.25 kbps for AMR-WB */
+    AMR_MODE_5 = 1 << 5,
+    /** 10.2 kbps for AMR / 19.85 kbps for AMR-WB */
+    AMR_MODE_6 = 1 << 6,
+    /** 12.2 kbps for AMR / 23.05 kbps for AMR-WB */
+    AMR_MODE_7 = 1 << 7,
+    /** Silence frame for AMR / 23.85 kbps for AMR-WB */
+    AMR_MODE_8 = 1 << 8,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/AmrParams.aidl b/radio/aidl/android/hardware/radio/ims/media/AmrParams.aidl
new file mode 100644
index 0000000..4ed3a24
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/AmrParams.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.AmrMode;
+
+@VintfStability
+parcelable AmrParams {
+    /** mode-set: AMR codec mode to represent the bit rate */
+    AmrMode amrMode;
+    /**
+     * octet-align: If it's set to true then all fields in the AMR/AMR-WB header
+     * shall be aligned to octet boundaries by adding padding bits.
+     */
+    boolean octetAligned;
+    /**
+     * max-red: It’s the maximum duration in milliseconds that elapses between the
+     * primary (first) transmission of a frame and any redundant transmission that
+     * the sender will use. This parameter allows a receiver to have a bounded delay
+     * when redundancy is used. Allowed values are between 0 (no redundancy will be
+     * used) and 65535. If the parameter is omitted, no limitation on the use of
+     * redundancy is present. See RFC 4867
+     */
+    int maxRedundancyMillis;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/AnbrBitrate.aidl b/radio/aidl/android/hardware/radio/ims/media/AnbrBitrate.aidl
new file mode 100644
index 0000000..61239d0
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/AnbrBitrate.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+parcelable AnbrBitrate {
+    /** default value to represent NOT_SET */
+    const int INVALID_ANBR_BITRATE = -1;
+
+    /** Received bitrate in seconds for Uplink from NW or peer UE for ANBR */
+    int uplinkBps;
+    /** Received bitrate in secondsfor Downlink from NW or peer UE for ANBR */
+    int downlinkBps;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/CallQuality.aidl b/radio/aidl/android/hardware/radio/ims/media/CallQuality.aidl
new file mode 100644
index 0000000..a8f7b16
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/CallQuality.aidl
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+parcelable CallQuality {
+    /**
+     * downlink CallQualityLevel for a given ongoing call
+     * this value corresponds to the CALL_QUALITY_* constants in {@link CallQuality}
+     */
+    int downlinkCallQualityLevel;
+    /**
+     * uplink CallQualityLevel for a given ongoing call
+     * this value corresponds to the CALL_QUALITY_* constants in {@link CallQuality}
+     */
+    int uplinkCallQualityLevel;
+    /** the call duration in milliseconds */
+    int callDuration;
+    /** RTP packets sent to network */
+    int numRtpPacketsTransmitted;
+    /** RTP packets received from network */
+    int numRtpPacketsReceived;
+    /** RTP packets which were lost in network and never transmitted */
+    int numRtpPacketsTransmittedLost;
+    /** RTP packets which were lost in network and never received */
+    int numRtpPacketsNotReceived;
+    /** average relative jitter in milliseconds */
+    int averageRelativeJitter;
+    /** maximum relative jitter in milliseconds */
+    int maxRelativeJitter;
+    /** average round trip delay in milliseconds */
+    int averageRoundTripTime;
+    /**
+     * the codec type. This value corresponds to the AUDIO_QUALITY_* constants in
+     * {@link ImsStreamMediaProfile}
+     */
+    int codecType;
+    /** True if no incoming RTP is received for a continuous duration of 4 seconds */
+    boolean rtpInactivityDetected;
+    /**
+     * True if only silence RTP packets are received for 20 seconds
+     * immediately after call is connected
+     */
+    boolean rxSilenceDetected;
+    /**
+     * True if only silence RTP packets are sent for 20 seconds
+     * immediately after call is connected
+     */
+    boolean txSilenceDetected;
+    /** the number of Voice frames sent by jitter buffer to audio */
+    int numVoiceFrames;
+    /** the number of no-data frames sent by jitter buffer to audio */
+    int numNoDataFrames;
+    /** the number of RTP voice packets dropped by jitter buffer */
+    int numDroppedRtpPackets;
+    /** the minimum playout delay in the reporting interval in milliseconds */
+    long minPlayoutDelayMillis;
+    /** the maximum playout delay in the reporting interval in milliseconds */
+    long maxPlayoutDelayMillis;
+    /**
+     * the total number of RTP SID (Silence Insertion Descriptor) packets
+     * received by this device for an ongoing call
+     */
+    int numRtpSidPacketsReceived;
+    /**
+     * the total number of RTP duplicate packets received by this device
+     * for an ongoing call
+     */
+    int numRtpDuplicatePackets;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/CodecParams.aidl b/radio/aidl/android/hardware/radio/ims/media/CodecParams.aidl
new file mode 100644
index 0000000..e0c1f6f
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/CodecParams.aidl
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.CodecSpecificParams;
+import android.hardware.radio.ims.media.CodecType;
+
+@VintfStability
+parcelable CodecParams {
+    /** Negotiated codec type */
+    CodecType codecType;
+    /**
+     * Static or dynamic payload type number negotiated through the SDP for
+     * the incoming RTP packets. This value shall be matched with the PT value
+     * of the incoming RTP header. Values 0 to 127, see RFC 3551 section 6
+     */
+    byte rxPayloadTypeNumber;
+    /**
+     * Static or dynamic payload type number negotiated through the SDP for
+     * the outgoing RTP packets. This value shall be set to the PT value
+     * of the outgoing RTP header. Values 0 to 127, see RFC 3551 section 6
+     */
+    byte txPayloadTypeNumber;
+    /** Sampling rate in kHz*/
+    byte samplingRateKHz;
+    /**
+     * cmr: Codec mode request is used to request the speech codec encoder of the
+     * other party to set the frame type index of speech mode via RTP header, See
+     * 3GPP TS 26.445 section A.3. Allowed values are -1, 0 and 1.
+     */
+    byte codecModeRequest;
+    /** dtx: Whether discontinuous transmission is enabled or not */
+    boolean dtxEnabled;
+    /** Codec specific parameters */
+    CodecSpecificParams codecSpecificParams;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/CodecSpecificParams.aidl b/radio/aidl/android/hardware/radio/ims/media/CodecSpecificParams.aidl
new file mode 100644
index 0000000..4410c81
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/CodecSpecificParams.aidl
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.AmrParams;
+import android.hardware.radio.ims.media.EvsParams;
+
+@VintfStability
+union CodecSpecificParams {
+    AmrParams amr;
+    EvsParams evs;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/CodecType.aidl b/radio/aidl/android/hardware/radio/ims/media/CodecType.aidl
new file mode 100644
index 0000000..31218e3
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/CodecType.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+@Backing(type="int")
+enum CodecType {
+    /** Adaptive Multi-Rate */
+    AMR = 1 << 0,
+    /** Adaptive Multi-Rate Wide Band */
+    AMR_WB = 1 << 1,
+    /** Enhanced Voice Services */
+    EVS = 1 << 2,
+    /** G.711 A-law i.e. Pulse Code Modulation using A-law */
+    PCMA = 1 << 3,
+    /** G.711 μ-law i.e. Pulse Code Modulation using μ-law */
+    PCMU = 1 << 4,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/DtmfParams.aidl b/radio/aidl/android/hardware/radio/ims/media/DtmfParams.aidl
new file mode 100644
index 0000000..ad920f2
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/DtmfParams.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+parcelable DtmfParams {
+    /**
+     * Dynamic payload type number to be used for DTMF RTP packets. The values is
+     * in the range from 96 to 127 chosen during the session establishment. The PT
+     * value of the RTP header of all DTMF packets shall be set with this value.
+     */
+    byte payloadTypeNumber;
+    /** Sampling rate in kHz */
+    byte samplingRateKHz;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/EvsBandwidth.aidl b/radio/aidl/android/hardware/radio/ims/media/EvsBandwidth.aidl
new file mode 100644
index 0000000..8278514
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/EvsBandwidth.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+/** EVS Speech codec bandwidths, See 3gpp spec 26.441 Table 1 */
+@VintfStability
+@Backing(type="int")
+enum EvsBandwidth {
+    NONE = 0,
+    NARROW_BAND = 1 << 0,
+    WIDE_BAND = 1 << 1,
+    SUPER_WIDE_BAND = 1 << 2,
+    FULL_BAND = 1 << 3,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/EvsMode.aidl b/radio/aidl/android/hardware/radio/ims/media/EvsMode.aidl
new file mode 100644
index 0000000..95bd6c7
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/EvsMode.aidl
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+/** EVS codec mode to represent the bit rate. See 3ggp Spec 26.952 Table 5.1 */
+@VintfStability
+@Backing(type="int")
+enum EvsMode {
+    /** 6.6 kbps for EVS AMR-WB IO */
+    EVS_MODE_0 = 1 << 0,
+    /** 8.855 kbps for AMR-WB IO */
+    EVS_MODE_1 = 1 << 1,
+    /** 12.65 kbps for AMR-WB IO */
+    EVS_MODE_2 = 1 << 2,
+    /** 14.25 kbps for AMR-WB IO */
+    EVS_MODE_3 = 1 << 3,
+    /** 15.85 kbps for AMR-WB IO */
+    EVS_MODE_4 = 1 << 4,
+    /** 18.25 kbps for AMR-WB IO */
+    EVS_MODE_5 = 1 << 5,
+    /** 19.85 kbps for AMR-WB IO */
+    EVS_MODE_6 = 1 << 6,
+    /** 23.05 kbps for AMR-WB IO */
+    EVS_MODE_7 = 1 << 7,
+    /** 23.85 kbps for AMR-WB IO */
+    EVS_MODE_8 = 1 << 8,
+    /** 5.9 kbps for EVS primary */
+    EVS_MODE_9 = 1 << 9,
+    /** 7.2 kbps for EVS primary */
+    EVS_MODE_10 = 1 << 10,
+    /** 8.0 kbps for EVS primary */
+    EVS_MODE_11 = 1 << 11,
+    /** 9.6 kbps for EVS primary */
+    EVS_MODE_12 = 1 << 12,
+    /** 13.2 kbps for EVS primary */
+    EVS_MODE_13 = 1 << 13,
+    /** 16.4 kbps for EVS primary */
+    EVS_MODE_14 = 1 << 14,
+    /** 24.4 kbps for EVS primary */
+    EVS_MODE_15 = 1 << 15,
+    /** 32.0 kbps for EVS primary */
+    EVS_MODE_16 = 1 << 16,
+    /** 48.0 kbps for EVS primary */
+    EVS_MODE_17 = 1 << 17,
+    /** 64.0 kbps for EVS primary */
+    EVS_MODE_18 = 1 << 18,
+    /** 96.0 kbps for EVS primary */
+    EVS_MODE_19 = 1 << 19,
+    /** 128.0 kbps for EVS primary */
+    EVS_MODE_20 = 1 << 20,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/EvsParams.aidl b/radio/aidl/android/hardware/radio/ims/media/EvsParams.aidl
new file mode 100644
index 0000000..7b420c8
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/EvsParams.aidl
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.EvsBandwidth;
+import android.hardware.radio.ims.media.EvsMode;
+
+@VintfStability
+parcelable EvsParams {
+    /** EVS codec bandwidth */
+    EvsBandwidth bandwidth;
+
+    /** mode-set: EVS codec mode to represent the bit rate */
+    EvsMode evsMode;
+    /**
+     * ch-aw-recv: Channel aware mode for the receive direction. Permissible values
+     * are -1, 0, 2, 3, 5, and 7. If -1, channel-aware mode is disabled in the
+     * session for the receive direction. If 0 or not present, partial redundancy
+     * (channel-aware mode) is not used at the start of the session for the receive
+     * direction. If positive (2, 3, 5, or 7), partial redundancy (channel-aware
+     * mode) is used at the start of the session for the receive direction using the
+     * value as the offset, See 3GPP TS 26.445 section 4.4.5
+     */
+    byte channelAwareMode;
+    /**
+     * hf-only: Header full only is used for the outgoing and incoming packets.
+     * If it's true then the session shall support header full format only else the
+     * session could support both header full format and compact format.
+     */
+    boolean useHeaderFullOnly;
+    /**
+     * evs-mode-switch: Used for switching between EVS Primary mode and EVS AMR-WB IO mode,
+     * If this value is true, the codec operates in AMR-WB IO mode
+     */
+    boolean useEvsModeSwitch;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/IImsMedia.aidl b/radio/aidl/android/hardware/radio/ims/media/IImsMedia.aidl
new file mode 100644
index 0000000..ecf1370
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/IImsMedia.aidl
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.IImsMediaListener;
+import android.hardware.radio.ims.media.LocalEndPoint;
+import android.hardware.radio.ims.media.RtpConfig;
+import android.hardware.radio.ims.media.RtpError;
+
+/**
+ * This interface is used by IMS media framework to talk to RTP stack located in another processor.
+ */
+@VintfStability
+oneway interface IImsMedia {
+
+    /**
+     * Set the listener functions for receiving notifications from the RTP stack.
+     *
+     * @param mediaListener Object containing listener methods
+     */
+    void setListener(in IImsMediaListener mediaListener);
+
+    /**
+     * Opens a RTP session for the local end point with the associated initial remote configuration
+     * if there is a valid RtpConfig passed. It starts the media flow if the media direction in the
+     * RtpConfig is set to any value other than NO_MEDIA_FLOW. If the open session is successful
+     * then the implementation shall return a new IImsMediaSession binder connection for this
+     * session using IImsMediaListener#onOpenSessionSuccess() API. If the open session is failed
+     * then the implementation shall return the error using IImsMediaListener#onOpenSessionFailure()
+     *
+     * @param sessionId unique identifier of the session
+     * @param localEndPoint provides IP address, port and logical modem id for local RTP endpoint
+     * @param config provides remote end point info and codec details. This could be null initially
+     *        and the application may update this later using modifySession() API.
+     */
+    void openSession(int sessionId, in LocalEndPoint localEndPoint, in RtpConfig config);
+
+    /**
+     * Close the RTP session including cleanup of all the resources associated with the session.
+     * This shall also close the session specific binder connection opened as part of openSession().
+     *
+     * @param sessionId identifier for the rtp session that needs to be closed
+     */
+    void closeSession(int sessionId);
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/IImsMediaListener.aidl b/radio/aidl/android/hardware/radio/ims/media/IImsMediaListener.aidl
new file mode 100644
index 0000000..228acb7
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/IImsMediaListener.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.IImsMediaSession;
+import android.hardware.radio.ims.media.RtpError;
+
+/**
+ * Interface declaring listener functions for unsolicited IMS media notifications.
+ */
+@VintfStability
+oneway interface IImsMediaListener {
+    /**
+     * Fired when a IImsMedia#openSession() API is successful.
+     *
+     * @param sessionId identifier of the session
+     * @param session new IImsMediaSession binder connection to be used for the session
+     *        specific operations
+     */
+    void onOpenSessionSuccess(int sessionId, IImsMediaSession session);
+
+    /**
+     * Fired when IImsMedia#openSession() API failed to create a new session.
+     *
+     * @param sessionId identifier of the session
+     * @param error one of the following RTP error code
+     *   RtpError :INVALID_PARAM
+     *   RtpError :INTERNAL_ERR
+     *   RtpError :NO_MEMORY
+     *   RtpError :NO_RESOURCES
+     *   RtpError :PORT_UNAVAILABLE
+     */
+    void onOpenSessionFailure(int sessionId, RtpError error);
+
+    /**
+     * Fired when IImsMedia#closeSession() API handled.
+     *
+     * @param sessionId identifier of the session
+     */
+    void onSessionClosed(int sessionId);
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/IImsMediaSession.aidl b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSession.aidl
new file mode 100644
index 0000000..a8d2161
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSession.aidl
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.IImsMediaSessionListener;
+import android.hardware.radio.ims.media.MediaProtocolType;
+import android.hardware.radio.ims.media.MediaQualityThreshold;
+import android.hardware.radio.ims.media.RtpConfig;
+import android.hardware.radio.ims.media.RtpError;
+import android.hardware.radio.ims.media.RtpHeaderExtension;
+
+/**
+ * Session specific interface used by IMS media framework to talk to the vendor RTP stack.
+ */
+@VintfStability
+oneway interface IImsMediaSession {
+    /**
+     * Set the listener functions to receive IMS media session specific notifications.
+     *
+     * @param sessionListener Object containing notification methods
+     */
+    void setListener(in IImsMediaSessionListener sessionListener);
+
+    /**
+     * Modifies the configuration of the RTP session. It can be used to pause/resume
+     * the media stream by changing the value of the MediaDirection.
+     *
+     * @param config provides remote end point info and codec details
+     */
+    void modifySession(in RtpConfig config);
+
+    /**
+     * Send DTMF digit until the duration expires.
+     *
+     * @param dtmfDigit single char having one of 12 values: 0-9, *, #
+     * @param duration of the key press in milliseconds.
+     */
+    void sendDtmf(char dtmfDigit, int duration);
+
+    /**
+     * Start sending DTMF digit until the stopDtmf() API is received.
+     * If the implementation is currently sending a DTMF tone for which
+     * stopDtmf() is not received yet, then that digit must be stopped first
+     *
+     * @param dtmfDigit single char having one of 12 values: 0-9, *, #
+     */
+    void startDtmf(char dtmfDigit);
+
+    /**
+     * Stop sending the last DTMF digit started by startDtmf().
+     * stopDtmf() without preceding startDtmf() must be ignored.
+     */
+    void stopDtmf();
+
+    /**
+     * Send RTP header extension to the other party in the next RTP packet.
+     *
+     * @param extensions data to be transmitted via RTP header extension
+     */
+    void sendHeaderExtension(in List<RtpHeaderExtension> extensions);
+
+    /**
+     * Sets the media quality threshold parameters of the session to get
+     * media quality notifications.
+     *
+     * @param threshold media quality thresholds for various quality parameters
+     */
+    void setMediaQualityThreshold(in MediaQualityThreshold threshold);
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
new file mode 100644
index 0000000..aa7b3c0
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSessionListener.aidl
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.CallQuality;
+import android.hardware.radio.ims.media.MediaProtocolType;
+import android.hardware.radio.ims.media.RtpConfig;
+import android.hardware.radio.ims.media.RtpError;
+import android.hardware.radio.ims.media.RtpHeaderExtension;
+import android.hardware.radio.ims.media.RtpSessionState;
+
+/**
+ * Interface declaring listener functions for unsolicited IMS media notifications per session.
+ */
+@VintfStability
+oneway interface IImsMediaSessionListener {
+    /**
+     * Notifies whenever the session state changed.
+     *
+     * @param state RTP session state
+     */
+    void onSessionChanged(RtpSessionState state);
+
+    /**
+     * Notifies the result of IImsMediaSession#modifySession() API.
+     *
+     * @param config The RTP config passed in IImsMediaSession#modifySession() API
+     * @param error RtpError.NONE in case of success else one of the following
+     *   RtpError :INVALID_PARAM
+     *   RtpError :INTERNAL_ERR
+     *   RtpError :NO_MEMORY
+     *   RtpError :NO_RESOURCES
+     */
+    void onModifySessionResponse(in RtpConfig config, RtpError error);
+
+    /**
+     * Indicates when the first Rtp media packet is received by the UE during ring
+     * back, call hold or early media scenarios. This is sent only if the packet is
+     * received on the active remote configuration.
+     *
+     * In case of early media scenarios, the implementation shall play the RTP
+     * packets from the most recently added config.
+     *
+     * @param config The remote config where the media is received
+     */
+    void onFirstMediaPacketReceived(in RtpConfig config);
+
+    /**
+     * RTP header extension received from the other party
+     *
+     * @param extensions content of the received RTP header extension
+     */
+    void onHeaderExtensionReceived(in List<RtpHeaderExtension> extensions);
+
+    /**
+     * Notifies media inactivity observed as per thresholds set by
+     * setMediaQualityThreshold() API
+     *
+     * @param packetType either RTP or RTCP
+     */
+    void notifyMediaInactivity(MediaProtocolType packetType);
+
+    /**
+     * Notifies RTP packet loss observed as per thresholds set by
+     * setMediaQualityThreshold() API
+     *
+     * @param packetLossPercentage percentage of packet loss calculated over the duration
+     */
+    void notifyPacketLoss(int packetLossPercentage);
+
+    /**
+     * Notifies RTP jitter observed as per thresholds set by
+     * IImsMediaSession#setMediaQualityThreshold() API
+     *
+     * @param jitter jitter of the RTP packets in milliseconds calculated over the duration
+     */
+    void notifyJitter(int jitter);
+
+    /**
+     * The modem RTP stack fires this API to query whether the desired bitrate mentioned
+     * in the RtpConfig is currently available on the NW or not using ANBRQ message.
+     * See 3GPP TS 26.114.
+     *
+     * @param config containing desired bitrate and direction
+     */
+    void triggerAnbrQuery(in RtpConfig config);
+
+    /**
+     * Notifies the received DTMF digit from the other party
+     *
+     * @param dtmfDigit single char having one of 12 values: 0-9, *, #
+     */
+    void onDtmfReceived(char dtmfDigit);
+
+    /**
+     * Notifies when a change to call quality has occurred
+     *
+     * @param CallQuality The call quality statistics of ongoing call since last report
+     */
+    void onCallQualityChanged(in CallQuality callQuality);
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/LocalEndPoint.aidl b/radio/aidl/android/hardware/radio/ims/media/LocalEndPoint.aidl
new file mode 100644
index 0000000..2bd48c6
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/LocalEndPoint.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.os.ParcelFileDescriptor;
+
+@VintfStability
+parcelable LocalEndPoint {
+    /** Socket file descriptor for RTP traffic */
+    ParcelFileDescriptor rtpFd;
+    /** Socket file descriptor for RTCP traffic */
+    ParcelFileDescriptor rtcpFd;
+    /** The logical modem ID, returned by IRadioConfig.getPhoneCapability() */
+    int modemId;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/MediaDirection.aidl b/radio/aidl/android/hardware/radio/ims/media/MediaDirection.aidl
new file mode 100644
index 0000000..9f04d8e
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/MediaDirection.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+@Backing(type="int")
+enum MediaDirection {
+    /**
+     * No RTP/RTCP flow in either direction. The implementation
+     * may release the audio resource. Eg. SRVCC.
+     */
+    NO_FLOW = 0,
+    /** Device sends outgoing RTP and drops incoming RTP */
+    SEND_ONLY = 1,
+    /** Device receives the downlink RTP and does not transmit any uplink RTP */
+    RECEIVE_ONLY = 2,
+    /** Device sends and receive RTP in both directions */
+    SEND_RECEIVE = 3,
+    /** No RTP flow however RTCP continues to flow. Eg. HOLD */
+    INACTIVE = 4,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/MediaProtocolType.aidl b/radio/aidl/android/hardware/radio/ims/media/MediaProtocolType.aidl
new file mode 100644
index 0000000..325c6fa
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/MediaProtocolType.aidl
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+@Backing(type="int")
+enum MediaProtocolType {
+   /** Real Time Protocol, see RFC 3550 */
+   RTP = 0,
+   /** Real Time Control Protocol, see RFC 3550 */
+   RTCP = 1,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/MediaQualityThreshold.aidl b/radio/aidl/android/hardware/radio/ims/media/MediaQualityThreshold.aidl
new file mode 100644
index 0000000..946bd5c
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/MediaQualityThreshold.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+parcelable MediaQualityThreshold {
+    /** Timer in milliseconds for monitoring RTP inactivity */
+    int rtpInactivityTimerMillis;
+    /** Timer in milliseconds for monitoring RTCP inactivity */
+    int rtcpInactivityTimerMillis;
+    /** Duration in milliseconds for monitoring the RTP packet loss rate */
+    int rtpPacketLossDurationMillis;
+    /**
+     * Packet loss rate in percentage of (total number of packets lost) /
+     * (total number of packets expected) during rtpPacketLossDurationMs
+     */
+    int rtpPacketLossRate;
+    /** Duration in milliseconds for monitoring the jitter for RTP traffic */
+    int jitterDurationMillis;
+    /** RTP jitter threshold in milliseconds */
+    int rtpJitterMillis;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtcpConfig.aidl b/radio/aidl/android/hardware/radio/ims/media/RtcpConfig.aidl
new file mode 100644
index 0000000..98bbfc6
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtcpConfig.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+parcelable RtcpConfig {
+    /** Canonical name that will be sent to all session participants */
+    String canonicalName;
+    /** Port for sending outgoing RTCP packets */
+    int transmitPort;
+    /** Transmit interval in seconds. Value 0 indicates that RTCP reports should not be reported */
+    int transmitIntervalSec;
+    /** Bitmask of RTCP-XR blocks to enable as in RtcpXrReportBlockType */
+    int rtcpXrBlocks;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl b/radio/aidl/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl
new file mode 100644
index 0000000..7f6839a
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+/** RTP Control Protocol Extended Reports (RTCP XR) Blocks, See RFC 3611 section 4 */
+
+@VintfStability
+@Backing(type="int")
+enum RtcpXrReportBlockType {
+    /** Disable RTCP XR */
+    RTCPXR_NONE = 0,
+    /** Loss RLE Report Block */
+    RTCPXR_LOSS_RLE_REPORT_BLOCK                  = 1 << 0,
+    /** Duplicate RLE Report Block */
+    RTCPXR_DUPLICATE_RLE_REPORT_BLOCK             = 1 << 1,
+    /** Packet Receipt Times Report Block */
+    RTCPXR_PACKET_RECEIPT_TIMES_REPORT_BLOCK      = 1 << 2,
+    /** Receiver Reference Time Report Block */
+    RTCPXR_RECEIVER_REFERENCE_TIME_REPORT_BLOCK   = 1 << 3,
+    /** DLRR Report Block */
+    RTCPXR_DLRR_REPORT_BLOCK                      = 1 << 4,
+    /** Statistics Summary Report Block */
+    RTCPXR_STATISTICS_SUMMARY_REPORT_BLOCK        = 1 << 5,
+    /** VoIP Metrics Report Block */
+    RTCPXR_VOIP_METRICS_REPORT_BLOCK              = 1 << 6,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpAddress.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpAddress.aidl
new file mode 100644
index 0000000..2db73a3
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpAddress.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+parcelable RtpAddress {
+    /** Point to point IP address */
+    String ipAddress;
+    /** UDP port number used for the RTP traffic */
+    int portNumber;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpConfig.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpConfig.aidl
new file mode 100644
index 0000000..d0d849e
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpConfig.aidl
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.AccessNetwork;
+import android.hardware.radio.ims.media.AnbrBitrate;
+import android.hardware.radio.ims.media.MediaDirection;
+import android.hardware.radio.ims.media.RtcpConfig;
+import android.hardware.radio.ims.media.RtpAddress;
+import android.hardware.radio.ims.media.RtpSessionParams;
+
+@VintfStability
+parcelable RtpConfig {
+    /** Media flow direction */
+    MediaDirection direction;
+    /** Radio Access Network */
+    AccessNetwork accessNetwork;
+    /** IP address and port number of the other party for RTP media */
+    RtpAddress remoteAddress;
+    /** Negotiated session parameters */
+    RtpSessionParams sessionParams;
+    /** RTCP configuration */
+    RtcpConfig rtcpConfig;
+    /**
+     * ANBR Bitrate parameters. This is set to valid only when its triggered,
+     * otherwise it shall be set to NULL.
+     *
+     * This would be used in the following two cases
+     * - IImsMediaSession#modifySession(RtpConfig) - When RAN wants to change the bit
+     *   rate via ANBR MAC layer signaling, ImsStack would set the values and direction
+     *   and pass it in the modifySession(). The underlying RTP stack shall adapt to
+     *   the changed bitrate.
+     *
+     * - IImsMediaSessionListener#triggerAnbrQuery(RtpConfig) - When the vendor RTP
+     *   stack receives a request for bitrate increase from the peer terminal via CMR,
+     *   RTCP-APP or TMMBR, it triggers ANBRQ by setting the desired bitrate and the
+     *   direction of the stream.
+     */
+    AnbrBitrate anbrBitrateParams;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpError.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpError.aidl
new file mode 100644
index 0000000..11a3468
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpError.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+@Backing(type="int")
+enum RtpError {
+    /** Success */
+    NONE = 0,
+    /** Invalid parameters passed in the request */
+    INVALID_PARAM = 1,
+    /** The RTP stack is not ready to handle the request */
+    NOT_READY = 2,
+    /** Unable to handle the request due to memory allocation failure */
+    NO_MEMORY = 3,
+    /** Unable to handle the request due to no sufficient resources such as audio, codec */
+    NO_RESOURCES = 4,
+    /** The requested port number is not available */
+    PORT_UNAVAILABLE = 5,
+    /** The request is not supported by the implementation */
+    NOT_SUPPORTED = 6,
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpHeaderExtension.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpHeaderExtension.aidl
new file mode 100644
index 0000000..76b13dc
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpHeaderExtension.aidl
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+/** RTP Header Extensions, see RFC 8285 */
+@VintfStability
+parcelable RtpHeaderExtension {
+    /** Local identifier */
+    int localId;
+    /** Extension data bytes */
+    byte[] data;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpSessionParams.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpSessionParams.aidl
new file mode 100644
index 0000000..f93c52c
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpSessionParams.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+import android.hardware.radio.ims.media.CodecParams;
+import android.hardware.radio.ims.media.DtmfParams;
+
+@VintfStability
+parcelable RtpSessionParams {
+    /**
+     * ptime: Recommended length of time in milliseconds represented by the media
+     * in each packet, see RFC 4566
+     */
+    byte pTimeMillis;
+    /**
+     * maxptime: Maximum amount of media that can be encapsulated in each packet
+     * represented in milliseconds, see RFC 4566
+     */
+    int maxPtimeMillis;
+    /** dscp: Differentiated Services Field Code Point value, see RFC 2474 */
+    byte dscp;
+    /** DTMF payload and clock rate */
+    DtmfParams dtmfParams;
+    /** Negotiated codec parameters */
+    CodecParams codecParams;
+}
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpSessionState.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpSessionState.aidl
new file mode 100644
index 0000000..57ba69a
--- /dev/null
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpSessionState.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.ims.media;
+
+@VintfStability
+@Backing(type="int")
+enum RtpSessionState {
+    /** The RTP session is opened and media flow is not started */
+    OPEN = 0,
+    /** The RTP session has active media flow */
+    ACTIVE = 1,
+    /** The RTP session is suspended */
+    SUSPENDED = 2,
+    /** The RTP session is closed */
+    CLOSED = 3,
+}
diff --git a/radio/aidl/android/hardware/radio/network/EutranRegistrationInfo.aidl b/radio/aidl/android/hardware/radio/network/EutranRegistrationInfo.aidl
index c9563ac..b986944 100644
--- a/radio/aidl/android/hardware/radio/network/EutranRegistrationInfo.aidl
+++ b/radio/aidl/android/hardware/radio/network/EutranRegistrationInfo.aidl
@@ -22,6 +22,21 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable EutranRegistrationInfo {
+    enum AttachResultType {
+        /** Default value. */
+        NONE,
+        /** LTE is attached with eps only. */
+        EPS_ONLY,
+        /** LTE combined EPS and IMSI attach. */
+        COMBINED,
+    }
+
+    /** LTE combined attach with CSFB not preferred */
+    const int EXTRA_CSFB_NOT_PREFERRED = 1 << 0;
+
+    /** LTE combined attach for SMS only */
+    const int EXTRA_SMS_ONLY = 1 << 1;
+
     /**
      * Network capabilities for voice over PS services. This info is valid only on LTE network and
      * must be present when device is camped on LTE. VopsInfo must be empty when device is camped
@@ -33,4 +48,13 @@
      * be empty.
      */
     NrIndicators nrIndicators;
+
+    /**
+     * The type of network attachment. This info is valid only on LTE network and must be present
+     * when device has attached to the network.
+     */
+    AttachResultType lteAttachResultType;
+
+    /** Values are bitwise ORs of EXTRA_* constants */
+    int extraInfo;
 }
diff --git a/radio/aidl/android/hardware/radio/network/RegState.aidl b/radio/aidl/android/hardware/radio/network/RegState.aidl
index 3f13783..2827d19 100644
--- a/radio/aidl/android/hardware/radio/network/RegState.aidl
+++ b/radio/aidl/android/hardware/radio/network/RegState.aidl
@@ -65,4 +65,10 @@
      * Same as UNKNOWN but indicates that emergency calls are enabled
      */
     UNKNOWN_EM = 14,
+    /**
+     * Emergency attached in LTE or emergency registered in 5GS.
+     * Reference: 3GPP TS 24.301 9.9.3.11 EPS attach type.
+     * Reference: 3GPP TS 24.501 9.11.3.6 5GS registration result.
+     */
+    REG_EM = 20,
 }
diff --git a/radio/aidl/vts/Android.bp b/radio/aidl/vts/Android.bp
index 0d4bb3e..bb992c9 100644
--- a/radio/aidl/vts/Android.bp
+++ b/radio/aidl/vts/Android.bp
@@ -41,6 +41,9 @@
         "radio_data_indication.cpp",
         "radio_data_response.cpp",
         "radio_data_test.cpp",
+        "radio_ims_indication.cpp",
+        "radio_ims_response.cpp",
+        "radio_ims_test.cpp",
         "radio_messaging_indication.cpp",
         "radio_messaging_response.cpp",
         "radio_messaging_test.cpp",
@@ -66,6 +69,7 @@
         "android.hardware.radio-V1-ndk",
         "android.hardware.radio.config-V1-ndk",
         "android.hardware.radio.data-V1-ndk",
+        "android.hardware.radio.ims-V1-ndk",
         "android.hardware.radio.messaging-V1-ndk",
         "android.hardware.radio.modem-V1-ndk",
         "android.hardware.radio.network-V2-ndk",
diff --git a/radio/aidl/vts/VtsHalRadioTargetTest.cpp b/radio/aidl/vts/VtsHalRadioTargetTest.cpp
index 1ebc6af..67a2672 100644
--- a/radio/aidl/vts/VtsHalRadioTargetTest.cpp
+++ b/radio/aidl/vts/VtsHalRadioTargetTest.cpp
@@ -18,6 +18,7 @@
 
 #include "radio_config_utils.h"
 #include "radio_data_utils.h"
+#include "radio_ims_utils.h"
 #include "radio_messaging_utils.h"
 #include "radio_modem_utils.h"
 #include "radio_network_utils.h"
@@ -65,6 +66,12 @@
         testing::ValuesIn(android::getAidlHalInstanceNames(IRadioVoice::descriptor)),
         android::PrintInstanceNameToString);
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(RadioImsTest);
+INSTANTIATE_TEST_SUITE_P(
+        PerInstance, RadioImsTest,
+        testing::ValuesIn(android::getAidlHalInstanceNames(IRadioIms::descriptor)),
+        android::PrintInstanceNameToString);
+
 int main(int argc, char** argv) {
     ::testing::InitGoogleTest(&argc, argv);
     ABinderProcess_setThreadPoolMaxThreadCount(1);
diff --git a/radio/aidl/vts/radio_aidl_hal_utils.h b/radio/aidl/vts/radio_aidl_hal_utils.h
index 47976b9..4ed6b3f 100644
--- a/radio/aidl/vts/radio_aidl_hal_utils.h
+++ b/radio/aidl/vts/radio_aidl_hal_utils.h
@@ -67,6 +67,8 @@
 
 static constexpr const char* FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
 
+static constexpr const char* FEATURE_TELEPHONY_IMS = "android.hardware.telephony.ims";
+
 #define MODEM_EMERGENCY_CALL_ESTABLISH_TIME 3
 #define MODEM_EMERGENCY_CALL_DISCONNECT_TIME 3
 #define MODEM_SET_SIM_POWER_DELAY_IN_SECONDS 2
diff --git a/radio/aidl/vts/radio_ims_indication.cpp b/radio/aidl/vts/radio_ims_indication.cpp
new file mode 100644
index 0000000..8e98d85
--- /dev/null
+++ b/radio/aidl/vts/radio_ims_indication.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "radio_ims_utils.h"
+
+RadioImsIndication::RadioImsIndication(RadioServiceTest& parent) : parent_ims(parent) {}
+
+ndk::ScopedAStatus RadioImsIndication::onConnectionSetupFailure(RadioIndicationType /*type*/,
+        const std::string& /*token*/, const ConnectionFailureInfo& /*info*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsIndication::notifyAnbr(RadioIndicationType /*type*/,
+        ImsStreamType /*mediaType*/, ImsStreamDirection /*direction*/, int /*bitsPerSecond*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsIndication::triggerImsDeregistration(RadioIndicationType /*type*/,
+        ImsDeregistrationReason /*reason*/) {
+    return ndk::ScopedAStatus::ok();
+}
\ No newline at end of file
diff --git a/radio/aidl/vts/radio_ims_response.cpp b/radio/aidl/vts/radio_ims_response.cpp
new file mode 100644
index 0000000..62912ea
--- /dev/null
+++ b/radio/aidl/vts/radio_ims_response.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "radio_ims_utils.h"
+
+RadioImsResponse::RadioImsResponse(RadioServiceTest& parent) : parent_ims(parent) {}
+
+ndk::ScopedAStatus RadioImsResponse::setSrvccCallInfoResponse(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_ims.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsResponse::updateImsRegistrationInfoResponse(
+        const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_ims.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsResponse::startImsTrafficResponse(const RadioResponseInfo& info,
+        const std::optional<ConnectionFailureInfo>& response) {
+    rspInfo = info;
+    startImsTrafficResp = response;
+    parent_ims.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsResponse::stopImsTrafficResponse(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_ims.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsResponse::triggerEpsFallbackResponse(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_ims.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsResponse::sendAnbrQueryResponse(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_ims.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
diff --git a/radio/aidl/vts/radio_ims_test.cpp b/radio/aidl/vts/radio_ims_test.cpp
new file mode 100644
index 0000000..27cc8d9
--- /dev/null
+++ b/radio/aidl/vts/radio_ims_test.cpp
@@ -0,0 +1,236 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <aidl/android/hardware/radio/config/IRadioConfig.h>
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+
+#include "radio_ims_utils.h"
+
+#define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
+
+void RadioImsTest::SetUp() {
+    std::string serviceName = GetParam();
+
+    if (!isServiceValidForDeviceConfiguration(serviceName)) {
+        ALOGI("Skipped the test due to device configuration.");
+        GTEST_SKIP();
+    }
+
+    radio_ims = IRadioIms::fromBinder(
+            ndk::SpAIBinder(AServiceManager_waitForService(GetParam().c_str())));
+    ASSERT_NE(nullptr, radio_ims.get());
+
+    radioRsp_ims = ndk::SharedRefBase::make<RadioImsResponse>(*this);
+    ASSERT_NE(nullptr, radioRsp_ims.get());
+
+    count_ = 0;
+
+    radioInd_ims = ndk::SharedRefBase::make<RadioImsIndication>(*this);
+    ASSERT_NE(nullptr, radioInd_ims.get());
+
+    radio_ims->setResponseFunctions(radioRsp_ims, radioInd_ims);
+
+    // Assert IRadioConfig exists before testing
+    radio_config = config::IRadioConfig::fromBinder(ndk::SpAIBinder(
+            AServiceManager_waitForService("android.hardware.radio.config.IRadioConfig/default")));
+    ASSERT_NE(nullptr, radio_config.get());
+}
+
+/*
+ * Test IRadioIms.setSrvccCallInfo() for the response returned.
+ */
+TEST_P(RadioImsTest, setSrvccCallInfo) {
+    if (!deviceSupportsFeature(FEATURE_TELEPHONY_IMS)) {
+        ALOGI("Skipping setSrvccCallInfo because ims is not supported in device");
+        return;
+    } else {
+        ALOGI("Running setSrvccCallInfo because ims is supported in device");
+    }
+
+    serial = GetRandomSerialNumber();
+
+    SrvccCall srvccCall;
+
+    ndk::ScopedAStatus res =
+            radio_ims->setSrvccCallInfo(serial, { srvccCall });
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_ims->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_ims->rspInfo.serial);
+
+    ALOGI("setSrvccCallInfo, rspInfo.error = %s\n",
+              toString(radioRsp_ims->rspInfo.error).c_str());
+
+    verifyError(radioRsp_ims->rspInfo.error);
+}
+
+/*
+ * Test IRadioIms.updateImsRegistrationInfo() for the response returned.
+ */
+TEST_P(RadioImsTest, updateImsRegistrationInfo) {
+    if (!deviceSupportsFeature(FEATURE_TELEPHONY_IMS)) {
+        ALOGI("Skipping updateImsRegistrationInfo because ims is not supported in device");
+        return;
+    } else {
+        ALOGI("Running updateImsRegistrationInfo because ims is supported in device");
+    }
+
+    serial = GetRandomSerialNumber();
+
+    ImsRegistration regInfo;
+    regInfo.regState = ImsRegistrationState::NOT_REGISTERED;
+    regInfo.accessNetworkType = AccessNetwork::EUTRAN;
+    regInfo.suggestedAction = SuggestedAction::NONE;
+    regInfo.capabilities = ImsRegistration::IMS_MMTEL_CAPABILITY_NONE;
+
+    ndk::ScopedAStatus res =
+            radio_ims->updateImsRegistrationInfo(serial, regInfo);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_ims->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_ims->rspInfo.serial);
+
+    ALOGI("updateImsRegistrationInfo, rspInfo.error = %s\n",
+              toString(radioRsp_ims->rspInfo.error).c_str());
+
+    verifyError(radioRsp_ims->rspInfo.error);
+}
+
+/*
+ * Test IRadioIms.startImsTraffic() for the response returned.
+ */
+TEST_P(RadioImsTest, startImsTraffic) {
+    if (!deviceSupportsFeature(FEATURE_TELEPHONY_IMS)) {
+        ALOGI("Skipping startImsTraffic because ims is not supported in device");
+        return;
+    } else {
+        ALOGI("Running startImsTraffic because ims is supported in device");
+    }
+
+    serial = GetRandomSerialNumber();
+
+    ndk::ScopedAStatus res =
+            radio_ims->startImsTraffic(serial, std::string("1"),
+            ImsTrafficType::REGISTRATION, AccessNetwork::EUTRAN);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_ims->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_ims->rspInfo.serial);
+
+    ALOGI("startImsTraffic, rspInfo.error = %s\n",
+              toString(radioRsp_ims->rspInfo.error).c_str());
+
+    verifyError(radioRsp_ims->rspInfo.error);
+}
+
+/*
+ * Test IRadioIms.stopImsTraffic() for the response returned.
+ */
+TEST_P(RadioImsTest, stopImsTraffic) {
+    if (!deviceSupportsFeature(FEATURE_TELEPHONY_IMS)) {
+        ALOGI("Skipping stopImsTraffic because ims is not supported in device");
+        return;
+    } else {
+        ALOGI("Running stopImsTraffic because ims is supported in device");
+    }
+
+    serial = GetRandomSerialNumber();
+
+    ndk::ScopedAStatus res =
+            radio_ims->stopImsTraffic(serial, std::string("2"));
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_ims->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_ims->rspInfo.serial);
+
+    ALOGI("stopImsTraffic, rspInfo.error = %s\n",
+              toString(radioRsp_ims->rspInfo.error).c_str());
+
+    verifyError(radioRsp_ims->rspInfo.error);
+}
+
+/*
+ * Test IRadioIms.triggerEpsFallback() for the response returned.
+ */
+TEST_P(RadioImsTest, triggerEpsFallback) {
+    if (!deviceSupportsFeature(FEATURE_TELEPHONY_IMS)) {
+        ALOGI("Skipping triggerEpsFallback because ims is not supported in device");
+        return;
+    } else {
+        ALOGI("Running triggerEpsFallback because ims is supported in device");
+    }
+
+    serial = GetRandomSerialNumber();
+
+    ndk::ScopedAStatus res =
+            radio_ims->triggerEpsFallback(serial, EpsFallbackReason::NO_NETWORK_TRIGGER);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_ims->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_ims->rspInfo.serial);
+
+    ALOGI("triggerEpsFallback, rspInfo.error = %s\n",
+              toString(radioRsp_ims->rspInfo.error).c_str());
+
+    verifyError(radioRsp_ims->rspInfo.error);
+}
+
+/*
+ * Test IRadioIms.sendAnbrQuery() for the response returned.
+ */
+TEST_P(RadioImsTest, sendAnbrQuery) {
+    if (!deviceSupportsFeature(FEATURE_TELEPHONY_IMS)) {
+        ALOGI("Skipping sendAnbrQuery because ims is not supported in device");
+        return;
+    } else {
+        ALOGI("Running sendAnbrQuery because ims is supported in device");
+    }
+
+    serial = GetRandomSerialNumber();
+
+    ndk::ScopedAStatus res =
+            radio_ims->sendAnbrQuery(serial, ImsStreamType::AUDIO, ImsStreamDirection::UPLINK, 13200);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_ims->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_ims->rspInfo.serial);
+
+    ALOGI("sendAnbrQuery, rspInfo.error = %s\n",
+              toString(radioRsp_ims->rspInfo.error).c_str());
+
+    verifyError(radioRsp_ims->rspInfo.error);
+}
+
+void RadioImsTest::verifyError(RadioError resp) {
+    switch (resp) {
+        case RadioError::NONE:
+        case RadioError::RADIO_NOT_AVAILABLE:
+        case RadioError::INVALID_STATE:
+        case RadioError::NO_MEMORY:
+        case RadioError::SYSTEM_ERR:
+        case RadioError::MODEM_ERR:
+        case RadioError::INTERNAL_ERR:
+        case RadioError::INVALID_ARGUMENTS:
+        case RadioError::REQUEST_NOT_SUPPORTED:
+        case RadioError::NO_RESOURCES:
+            SUCCEED();
+            break;
+        default:
+            FAIL();
+            break;
+    }
+}
diff --git a/radio/aidl/vts/radio_ims_utils.h b/radio/aidl/vts/radio_ims_utils.h
new file mode 100644
index 0000000..98fd3cb
--- /dev/null
+++ b/radio/aidl/vts/radio_ims_utils.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/radio/ims/BnRadioImsIndication.h>
+#include <aidl/android/hardware/radio/ims/BnRadioImsResponse.h>
+#include <aidl/android/hardware/radio/ims/IRadioIms.h>
+
+#include "radio_aidl_hal_utils.h"
+
+using namespace aidl::android::hardware::radio::ims;
+
+class RadioImsTest;
+
+/* Callback class for radio ims response */
+class RadioImsResponse : public BnRadioImsResponse {
+  protected:
+    RadioServiceTest& parent_ims;
+
+  public:
+    RadioImsResponse(RadioServiceTest& parent_ims);
+    virtual ~RadioImsResponse() = default;
+
+    RadioResponseInfo rspInfo;
+    std::optional<ConnectionFailureInfo> startImsTrafficResp;
+
+    virtual ndk::ScopedAStatus setSrvccCallInfoResponse(const RadioResponseInfo& info) override;
+
+    virtual ndk::ScopedAStatus updateImsRegistrationInfoResponse(
+            const RadioResponseInfo& info) override;
+
+    virtual ndk::ScopedAStatus startImsTrafficResponse(const RadioResponseInfo& info,
+            const std::optional<ConnectionFailureInfo>& response) override;
+
+    virtual ndk::ScopedAStatus stopImsTrafficResponse(const RadioResponseInfo& info) override;
+
+    virtual ndk::ScopedAStatus triggerEpsFallbackResponse(const RadioResponseInfo& info) override;
+
+    virtual ndk::ScopedAStatus sendAnbrQueryResponse(const RadioResponseInfo& info) override;
+};
+
+/* Callback class for radio ims indication */
+class RadioImsIndication : public BnRadioImsIndication {
+  protected:
+    RadioServiceTest& parent_ims;
+
+  public:
+    RadioImsIndication(RadioServiceTest& parent_ims);
+    virtual ~RadioImsIndication() = default;
+
+    virtual ndk::ScopedAStatus onConnectionSetupFailure(RadioIndicationType type,
+            const std::string& token, const ConnectionFailureInfo& info) override;
+
+    virtual ndk::ScopedAStatus notifyAnbr(RadioIndicationType type, ImsStreamType mediaType,
+            ImsStreamDirection direction, int bitsPerSecond) override;
+
+    virtual ndk::ScopedAStatus triggerImsDeregistration(RadioIndicationType type,
+            ImsDeregistrationReason reason) override;
+};
+
+// The main test class for Radio AIDL Ims.
+class RadioImsTest : public ::testing::TestWithParam<std::string>, public RadioServiceTest {
+  protected:
+    virtual void verifyError(RadioError resp);
+
+  public:
+    virtual void SetUp() override;
+
+    /* radio ims service handle */
+    std::shared_ptr<IRadioIms> radio_ims;
+    /* radio ims response handle */
+    std::shared_ptr<RadioImsResponse> radioRsp_ims;
+    /* radio ims indication handle */
+    std::shared_ptr<RadioImsIndication> radioInd_ims;
+};
diff --git a/radio/aidl/vts/radio_network_test.cpp b/radio/aidl/vts/radio_network_test.cpp
index 25c42d3..ccde32b 100644
--- a/radio/aidl/vts/radio_network_test.cpp
+++ b/radio/aidl/vts/radio_network_test.cpp
@@ -1499,12 +1499,17 @@
     // Check for access technology specific info
     AccessTechnologySpecificInfo info = radioRsp_network->dataRegResp.accessTechnologySpecificInfo;
     RadioTechnology rat = radioRsp_network->dataRegResp.rat;
+
+    #pragma clang diagnostic push
+    #pragma clang diagnostic ignored "-Wdeprecated-declarations"
     // TODO: add logic for cdmaInfo
     if (rat == RadioTechnology::LTE || rat == RadioTechnology::LTE_CA) {
         ASSERT_EQ(info.getTag(), AccessTechnologySpecificInfo::eutranInfo);
     } else if (rat == RadioTechnology::NR) {
-        ASSERT_EQ(info.getTag(), AccessTechnologySpecificInfo::ngranNrVopsInfo);
+        ASSERT_TRUE(info.getTag() == AccessTechnologySpecificInfo::ngranNrVopsInfo
+            || info.getTag() == AccessTechnologySpecificInfo::ngranInfo);
     }
+    #pragma clang diagnostic pop
 }
 
 /*